diff --git a/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache b/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
index be77b80cb2c..f33ba924dec 100644
--- a/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
+++ b/modules/openapi-generator/src/main/resources/python-fastapi/requirements.mustache
@@ -5,7 +5,7 @@ async-generator==1.10
 certifi==2023.7.22
 chardet==4.0.0
 click==7.1.2
-dnspython==2.1.0
+dnspython==2.6.1
 email-validator==2.0.0
 fastapi==0.109.2
 graphene==2.1.8
diff --git a/samples/server/petstore/python-fastapi/requirements.txt b/samples/server/petstore/python-fastapi/requirements.txt
index be77b80cb2c..f33ba924dec 100644
--- a/samples/server/petstore/python-fastapi/requirements.txt
+++ b/samples/server/petstore/python-fastapi/requirements.txt
@@ -5,7 +5,7 @@ async-generator==1.10
 certifi==2023.7.22
 chardet==4.0.0
 click==7.1.2
-dnspython==2.1.0
+dnspython==2.6.1
 email-validator==2.0.0
 fastapi==0.109.2
 graphene==2.1.8